/**
 * @file helloworld.cpp
 * @author Fang Danyin <fdy20001205@163.com>
 * @brief 
 * @version 0.1
 * @date 2022-11-12
 * 
 * @copyright Copyright (c) 2022
 * 
 */


#include <iostream>
using namespace std;

int main(int argc, char* argv[])
{
    std::cout << "Hello World!"<<std::endl;
    return 0;
}